TMS320F datasheet(323/389 Pages) TI

323 / 389 page

Instruction Set Comparison Table

A-27

TMS320C1x/C2x/C20x/C5x Instruction Set Comparison

Syntax

Description

2xx

RETC[

D] cond1 [, cond2] [, ...]

√

Return Conditionally With Optional Delay

If the specified conditions are met, RETC performs a

standard return. Not all combinations of conditions are

meaningful.

If you specify a delayed branch (RETCD), the next two

instruction words (two 1-word instructions or one

2-word instruction) are fetched and executed before

the return.

RETE

√

Enable Interrupts and Return From Interrupt

Copy the contents of the top of the stack into the PC

and pop the stack one level. RETE automatically

clears the global interrupt enable bit and pops the

shadow registers (stored when the interrupt was

taken)

back

into

their

corresponding

strategic

registers. The following registers are shadowed: ACC,

ACCB, PREG, ST0, ST1, PMST, ARCR, INDX,

TREG0, TREG1, TREG2.

RETI

√

Return From Interrupt

Copy the contents of the top of the stack into the PC

and pop the stack one level. RETI also pops the values

in the shadow registers (stored when the interrupt was

taken)

back

into

their

corresponding

strategic

registers. The following registers are shadowed: ACC,

ACCB, PREG, ST0, ST1, PMST, ARCR, INDX,

TREG0, TREG1, TREG2.

RFSM

√

Reset Serial Port Frame Synchronization Mode

Reset the FSM status bit to 0.

RHM

√

Reset Hold Mode

Reset the HM status bit to 0.

ROL

√

Rotate Accumulator Left

Rotate the accumulator left one bit.

ROLB

√

Rotate ACCB and Accumulator Left

Rotate the ACCB and the accumulator left by one bit;

this results in a 65-bit rotation.

ROR

√

Rotate Accumulator Right

Rotate the accumulator right one bit.

RORB

√

Rotate ACCB and Accumulator Right

Rotate the ACCB and the accumulator right one bit;

this results in a 65-bit rotation.

TMS320F Datasheet(PDF) 323 Page - Texas Instruments

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